| HYOGEN 1662020 · TMA921960 | an individual | 5 Pharmaceuticals | Registered | 2015 |
| HEGEN 2141467 · TMA1242412 · design | Fitson Singapore Pte Ltd | 3 Cosmetics5 Pharmaceuticals6 Metal+13 | Registered | 2024 |
| HYGEN 2054504 · TMA1278363 | Arxada, LLC | 5 Pharmaceuticals | Registered | 2024 |
| HEGEN 2040126 · TMA1169583 | Fitson Singapore Pte Ltd | 10 Medical21 Housewares35 Advertising | Registered | 2023 |
| HY2GEN 1916040 · TMA1115766 · design | Owner not shown | 1 Chemicals6 Metal12 Vehicles+1 | Registered | 2021 |
| HOGAN 1832110 · TMA1036151 · design | an individual | 9 Electronics | Registered | 2019 |
| HOGAN 1568040 · TMA902616 · design | an individual | 18 Leather25 Clothing28 Toys | Registered | 2015 |
| HOGAN 1252328 · TMA795788 · design | an individual | 14 Jewellery16 Paper18 Leather+2 | Registered | 2011 |
| HIGEN 1174878 · TMA681738 · design | HIGEN RNM Co. Ltd | 7 Machines | Registered | 2007 |
| HIGEN 1172861 · TMA698656 | HIGEN RNM Co. Ltd | 7 Machines | Registered | 2007 |
| HOUGEN 0705803 · TMA418656 · design | HOUGEN MANUFACTURING, INC. A MICHIGAN CORPORATION | 7 Machines | Registered | 1993 |
| HOUGEN 0705802 · TMA436134 | HOUGEN MANUFACTURING, INC. A CORPORATION OF THE STATE OF MICHIGAN | 7 Machines | Registered | 1994 |
| HOGAN 0636806 · TMA433247 | Perry Ellis International Europe Limited | 18 Leather25 Clothing28 Toys | Registered | 1994 |
| HEYGEN 2272561 | HeyGen Technology Inc. | 9 Electronics42 Science | Pending | 2023 |
| HIOSSEN 1361261 · TMA729930 | Osstemimplant Co., Ltd. | 10 Medical | Registered | 2008 |
| HASUN 2254136 · TMA1273067 | XIAMEN ORION STONE & TILE CO. LTD | 19 Building | Registered | 2024 |
| HYSAMI 2244983 · TMA1265655 · design | Owner not listed | 11 Lighting | Registered | 2024 |
| HKNE 2243614 · TMA1261803 | an individual | 21 Housewares | Registered | 2024 |
| HISUN 2242652 · TMA1261742 · design | Zhejiang Hisun Pharmaceutical Co. Ltd | 5 Pharmaceuticals | Registered | 2024 |
| HeyUcan 2237706 · TMA1258241 | Shenzhen Baihuaite E-commerce Co. Ltd | 24 Textiles | Registered | 2024 |
| HOIKAM 2223141 · TMA1252508 · design | Zhongshan Haigan Garment Co. Ltd. | 10 Medical | Registered | 2024 |
| hexa6one 2198537 · TMA1197273 | an individual | 35 Advertising42 Science | Registered | 2023 |
| Hoxyan 2177239 · TMA1227240 | an individual | 16 Paper | Registered | 2024 |
| Huazon 2167837 · TMA1246334 | Shenzhen Huoshi Network Technology Co. Ltd. | 28 Toys | Registered | 2024 |
| HEGAN 2163929 · TMA1265348 · design | ZHEJIANG HUAKANG PHARMACEUTICAL CO.LTD. | 1 Chemicals30 Coffee | Registered | 2024 |